DIAGNOSIS PROCEDURE |
STEP 1. M.U.T.-III CAN bus diagnostics |
Use M.U.T.-III to perform the CAN bus diagnosis. |
Q.
Is the check result normal?
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Go to Step 2 |
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Repair the CAN bus lines. |
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STEP 2. M.U.T.-III diagnosis code |
Check if the EPB-related diagnosis code is set. |
Q.
Is the EPB-related diagnosis code set?
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Carry out the appropriate troubleshooting. |
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Go to Step 3 |
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STEP 3. M.U.T.-III diagnosis code |
Is diagnosis code No. U0317 set in the other ECU, which communicates with the EPB-ECU
via CAN? |
Q.
Is the diagnosis code set?
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Go to Step 4 |
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Go to Step 5 |
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STEP 4. Symptom recheck after erasing diagnosis code |
Q.
Is the diagnosis code set?
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Replace EPB-ECU. |
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Intermittent malfunction. |
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STEP 5. Symptom recheck after erasing diagnosis code |
Q.
Is the diagnosis code set?
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Replace CVT-ECU. |
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Intermittent malfunction. |
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